63706397224 has 16 divisors (see below), whose sum is σ = 120791625300. Its totient is φ = 31495297152.

The previous prime is 63706397207. The next prime is 63706397273. The reversal of 63706397224 is 42279360736.

It is a happy number.

63706397224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 58423724100 + 5282673124 = 241710^2 + 72682^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44736927 + ... + 44738350.

Almost surely, 2^63706397224 is an apocalyptic number.

It is an amenable number.

63706397224 is a deficient number, since it is larger than the sum of its proper divisors (57085228076).

63706397224 is a wasteful number, since it uses less digits than its factorization.

63706397224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89475372 (or 89475368 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 49.

The spelling of 63706397224 in words is "sixty-three billion, seven hundred six million, three hundred ninety-seven thousand, two hundred twenty-four".